Respuesta :

Answer:155

Step-by-step explanation:

If a=3 and b=5 then

3•5/15+3•6+7•5=155

The answer is : 2/15ax(53b+45)
Factor the expression
ax(b/15+6+7b)
Calculate
ax(106/15b+6)
Factor pression
ax2/15x(53b+15x3)
Multiple the numbers
ax2/15x(53b+45)
Reorder the terms

Solution: 2/15ax(53b+45)